5223054540 has 144 divisors (see below), whose sum is σ = 16418013696. Its totient is φ = 1239173760.

The previous prime is 5223054539. The next prime is 5223054559. The reversal of 5223054540 is 454503225.

It is a super-2 number, since 2×5223054540² = 54560597455629223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5223054498 and 5223054507.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 333567 + ... + 348873.

It is an arithmetic number, because the mean of its divisors is an integer number (114013984).

Almost surely, 2^5223054540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5223054540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8209006848).

5223054540 is an abundant number, since it is smaller than the sum of its proper divisors (11194959156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5223054540 is a wasteful number, since it uses less digits than its factorization.

5223054540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15388 (or 15375 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 5223054540 is about 72270.7031929260. The cubic root of 5223054540 is about 1735.0347879534.

Adding to 5223054540 its reverse (454503225), we get a palindrome (5677557765).

The spelling of 5223054540 in words is "five billion, two hundred twenty-three million, fifty-four thousand, five hundred forty".